From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DA0FC433B4 for ; Tue, 20 Apr 2021 13:37:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 083106113C for ; Tue, 20 Apr 2021 13:37:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232597AbhDTNi2 (ORCPT ); Tue, 20 Apr 2021 09:38:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:51794 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231422AbhDTNi1 (ORCPT ); Tue, 20 Apr 2021 09:38:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8A69B6113C; Tue, 20 Apr 2021 13:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618925876; bh=UlQ0FBFsDr4ODbTFSXPy69eUKK+0YYAXdTX//RlJ41c=; h=From:To:Cc:Subject:Date:From; b=gwcM3ibBCh9KFA73MXiOekuiNcAJLtZFiZqnuCXM7m/SyRz+JvbVUSiWpYeNJshRx mMTv9sF1eGfonecI2ub7KcXqAf1i+YfE/PZI449ys8zG2iJPTDNlJ0t83r1gZKts4h pQwbO+lfQbMqlpnEmIgYdV6+mAXfy+OwGidHNLEMRnRE+d2xs256/wkv8UC0ZKFyPz ENxdYXUxv60+kDtUYWI+iG5X2qSsZOMh3Kav9VrIShcO6eAGScREe9mUZ5Tcpl5yYh AmvpRlar+6k/ahU6qWU9yQv3tDAElujPXLqogCxCOeklmel/0z/kV2qs3L14daZHnY nrgwPUPsELP0A== From: guoren@kernel.org To: guoren@kernel.org, arnd@arndb.de Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-arch@vger.kernel.org, Guo Ren Subject: [PATCH 1/3] nds32: Cleanup deprecated function strlen_user Date: Tue, 20 Apr 2021 13:37:07 +0000 Message-Id: <1618925829-90071-1-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-csky@vger.kernel.org From: Guo Ren $ grep strlen_user * -r arch/csky/include/asm/uaccess.h:#define strlen_user(str) strnlen_user(str, 32767) arch/csky/lib/usercopy.c: * strlen_user: - Get the size of a string in user space. arch/ia64/lib/strlen.S: // Please note that in the case of strlen() as opposed to strlen_user() arch/mips/lib/strnlen_user.S: * make strlen_user and strnlen_user access the first few KSEG0 arch/nds32/include/asm/uaccess.h:extern __must_check long strlen_user(const char __user * str); arch/nios2/include/asm/uaccess.h:extern __must_check long strlen_user(const char __user *str); arch/riscv/include/asm/uaccess.h:extern long __must_check strlen_user(const char __user *str); kernel/trace/trace_probe_tmpl.h:static nokprobe_inline int fetch_store_strlen_user(unsigned long addr); kernel/trace/trace_probe_tmpl.h: ret += fetch_store_strlen_user(val + code->offset); kernel/trace/trace_uprobe.c:fetch_store_strlen_user(unsigned long addr) kernel/trace/trace_kprobe.c:fetch_store_strlen_user(unsigned long addr) kernel/trace/trace_kprobe.c: return fetch_store_strlen_user(addr); See grep result, nobody uses it. Signed-off-by: Guo Ren Cc: Arnd Bergmann --- arch/nds32/include/asm/uaccess.h | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/nds32/include/asm/uaccess.h b/arch/nds32/include/asm/uaccess.h index 010ba5f..d4cbf06 100644 --- a/arch/nds32/include/asm/uaccess.h +++ b/arch/nds32/include/asm/uaccess.h @@ -260,7 +260,6 @@ do { \ extern unsigned long __arch_clear_user(void __user * addr, unsigned long n); extern long strncpy_from_user(char *dest, const char __user * src, long count); -extern __must_check long strlen_user(const char __user * str); extern __must_check long strnlen_user(const char __user * str, long n); extern unsigned long __arch_copy_from_user(void *to, const void __user * from, unsigned long n); -- 2.7.4